CN202079496U - Suspension type stepping shot blasting machine - Google Patents

Abstract

The utility model relates to a suspension type stepping shot blasting machine, wherein an impeller head is mounted in a shot blasting chamber; a suspension type transport system comprises a lifting hook and a hanger rail, and the lifting hook is driven by a suspension conveyor; a lower slope is connected with a shot outlet of the shot blasting chamber and a lower transverse screw conveyor; a bucket elevator is provided with a feed inlet and a discharge outlet; the feed inlet is connected with the lower transverse screw conveyor; an upper slope is connected with the discharge outlet of the bucket elevator; a shot-sand separator is provided with a separation region and a tuyere; the separation region is connected with the upper slope; and a dust remover is connected with the tuyere of the shot-sand separator. The suspension type stepping shot blasting machine can apply powerful shot blasting to a material surface in the natural condition to clean up rusty spots, rusty scales, welding slags and oxide scales on the surface of the material and to process the surface of the material into a uniform surface with a certain degree of finish and metallic luster so as to remove stress and improve varnish quality and corrosion resistance.

Description

Hanging stepping shot blasting machine

technical field

The utility model relates to a shot blasting equipment, in particular to a hanging stepping type shot blasting cleaning machine.

Background technique

Shot blasting machine is a shot blasting equipment that uses high-speed projectiles thrown by a shot blaster to clean or strengthen the surface of castings. The shot blasting machine can shake out sand, remove core and clean the casting at the same time.

Shot blasting equipment is firstly used to remove sand and scale on the surface of cast steel and iron castings in the foundry industry. Almost all steel castings, gray castings, malleable steel parts, ductile iron parts, etc. must be shot blasted. This is not only to remove scale and sticky sand on the surface of the casting, but also an indispensable preparation process before the quality inspection of the casting. For example, the casing of a large gas turbine must be subjected to strict shot blasting before non-destructive testing to ensure the accuracy of the testing results. reliability. In the production of general castings, shot peening cleaning is an indispensable process to find surface defects of castings such as subcutaneous pores, slag pores, sand sticking, cold shut, peeling, etc. The surface cleaning of non-ferrous metal castings, such as aluminum alloys, copper alloys, etc., in addition to removing scale and finding surface defects of castings, the main purpose is to remove burrs of die castings and obtain decorative surface quality by shot blasting , to obtain a combined effect.

According to the modern metal strength theory, increasing the dislocation density inside the metal is the main direction to improve the metal strength. Practice has proved that shot blasting is an effective process for increasing metal dislocation structures. This is even more important for some metals that cannot be hardened by phase transformation (such as martensitic quenching, etc.) or require further strengthening on the basis of phase transformation hardening. Aviation, aerospace industry, automobiles, tractors and other parts require light weight, but the reliability requirements are getting higher and higher. The important technological measure is to use shot peening to improve the strength and fatigue strength of components.

In view of this, the designer of this utility model artificially solves the shortcomings in the existing shot blasting technology, based on research and development in related fields, and after continuous testing and improvement, this utility model is produced.

Contents of the invention

The purpose of this utility model is to provide a hanging stepping shot blasting cleaning machine, which applies powerful shot blasting to the surface of the material in the original state, and removes rust spots, rust layers, welding slag and scale on the surface, making it Obtain a uniform and consistent metallic luster surface with a certain degree of smoothness, so as to relieve stress and improve the surface finishing quality and corrosion resistance of materials.

In order to achieve the above purpose, the utility model provides a hanging stepping shot blasting machine, which includes:

The shot blasting room has multiple shot blasters installed on its outer wall;

an overhead conveyor system comprising a hook and a rail, the hook being driven by an overhead conveyor to allow the hook to travel on the rail;

Down the slope, one end of which is connected to the shot blasting outlet of the shot blasting chamber;

The lower transverse screw conveyor, one end of which is connected to the other end of the lower slope;

A bucket elevator having a material inlet and a material outlet connected to the other end of the lower transverse screw conveyor;

Up the slope, one end of which is connected to the outlet of the bucket elevator;

a shot separator having a separation zone connected to the other end of the upper slope and an air inlet; and

The dust collector is connected with the air inlet of the shot sand separator and the shot blasting cleaning room.

The hanging step-by-step shot blasting machine, wherein, the outer wall of the shot blasting chamber is equipped with 4 sets of shot blasting machines, and the 4 sets of shot blasting machines are divided into two sets on the left and right sides.

Said hanging stepping shot blasting machine, wherein said shot blasting chamber is welded by steel plates and section steels, two pneumatic doors on the cleaning chamber are opened outwards, and limit switches are installed above the doors.

The hanging stepping type shot blasting machine, wherein the shot blaster includes: an impeller, a motor, a shot wheel, an orientation sleeve, a blade, a shot guide tube and a shield; the orientation sleeve is fixed on the shield There is a window inside; the shot wheel is fixedly installed inside the orientation sleeve, and the shot wheel has an entrance and four windows; the shot guide tube is located on one side of the shield, and one end of the shot tube is connected to the The entrance of the shot wheel is connected, and the other end of the shot guide tube is connected to the shot feeding system; the other side of the shield is equipped with an impeller, and a plurality of blades are installed on the impeller, and the blades are distributed outside the circumference of the directional sleeve. ; The impeller is connected with the output shaft of the motor, and the impeller is driven to rotate by the motor.

The hanging stepping shot blasting machine, wherein, the impeller and the output shaft of the motor are connected through a coupling disc, and a sealing disc is installed between the coupling disc and the motor; Prevent excessive shot blasting from damaging the wear-resistant guard plate of the shield. The wear-resistant guard plate includes a top guard plate located at the top of the inner side of the guard, a side guard plate located at the inner side of the guard, and an end guard plate located at the inner end of the guard.

The hanging stepping shot blasting machine, wherein the bucket elevator also includes: a housing, a belt, a shot hopper, a driving roller, a driven roller, a belt tensioning device and a cycloid reducer ; The shell is formed by welded segmented steel structure, and seal rubber plates are installed at each joint position; the cycloidal pinwheel reducer is installed on the upper part of the shell, and it is connected with the driving roller to drive the driving roller to rotate The driving roller and the driven roller are respectively located above and below the inside of the housing, and are connected by a belt; a plurality of shot hoppers facing the same direction are installed on the belt, and the distance between the shot hoppers is preset distance; the belt tensioning device is installed on the driven roller; the feed inlet of the bucket elevator is located at the bottom of the shell, and the discharge port of the bucket elevator is located at the top of the shell.

The hanging stepping shot blasting machine, wherein, the shot sand separator includes: a separation area, a hopper, an air inlet and a shot opening; a part of the upper slope extends out of the separation area, and the upper slope A material inlet is installed on the shell of the protruding part, and the material inlet is connected with the outlet of the bucket elevator, and the other part of the upper slope is located in the separation area; one end of the air inlet is connected to the separation area The direction of the air outlet of the air outlet is perpendicular to the transmission direction of the upper slope; the other end of the air outlet is connected to the dust collector; the lower part of the separation area is connected to a hopper, and the lower part of the hopper has 4 shot openings.

The suspended stepping shot blasting machine, wherein the dust collector includes: a pulse control valve, an inspection door, an air outlet, a filter cartridge, an ash storage box, a muffler, a fan, and a dust removal chamber; The control valve and inspection door are located on one side of the dust removal room body; the fan is connected to the dust removal room body through the air pipe, and the fan is connected with a muffler; the filter cartridge is located inside the dust removal room body; the air inlet is located on the other side of the dust removal room body One end of the air inlet is connected with the dust removal chamber body, and the other end is connected with the air inlet of the shot sand separator and the shot blasting cleaning chamber; the ash storage box is located at the bottom of the dust removal chamber body.

The hanging stepping shot blasting machine also includes a pneumatic automatic shot blasting controller, which is installed on the shot blasting port.

The beneficial effect of the utility model is: it can apply strong shot blasting to the surface of the material in the original state, and remove the rust spot, rust layer, welding slag and scale on the surface, so that it can obtain a uniform metal with a certain degree of smoothness. Glossy surface for stress relief, improved finish quality and corrosion resistance of the material. It is suitable for surface cleaning and strengthening of large and medium batch castings, forgings and riveted parts, especially for surface cleaning and strengthening of thin and thin parts that are afraid of collision.

Description of drawings

Fig. 1 is the front view of a kind of hanging stepping type shot blasting cleaning machine of the present utility model;

Fig. 2 is a top view of a suspension stepping type shot blasting cleaning machine of the utility model;

Fig. 3 is a side view of a suspension stepping type shot blasting cleaning machine of the utility model;

Fig. 4 is the front view of shot blasting device;

Fig. 5 is the side view of shot blasting device;

Figure 6 is the front view of the bucket elevator

Figure 7 is a side view of the bucket elevator;

Fig. 8 is the front view of shot sand separator;

Fig. 9 is the top view of shot sand separator;

Figure 10 is a side view of the shot sand separator;

Figure 11 is a front view of the dust collector;

Figure 12 is a top view of the dust collector;

Fig. 13 is a side view of the dust collector.

Explanation of reference numerals: 1-suspension conveying system; 11-hook; 12-hanging rail; 3-blasting cleaning room; 31-blasting device; 311-impeller; Motor; 314-shot wheel; 315-direction sleeve; 316-blade; 317-pill guide tube; 3181-top guard plate; 3182-side guard plate; ;5-lower horizontal screw conveyor; 7-bucket elevator; 71-shell; 72-belt; 73-shot hopper; 74-driving roller; 75-driven roller; Cycloidal pinwheel reducer; 78-Material inlet; 79-Outlet; 8-Pellet sand separator; 81-Screw conveyor; 82-Separation area; 83-Hopper; 86-reducer; 87-feed inlet; 9-settler; 10-dust collector; 101-pulse control valve; 102-inspection door; 103-air outlet; 104-filter cartridge; 106-muffler; 107-fan; 108-dust chamber body.

Detailed ways

Relevant utility model is for reaching above-mentioned purpose of use and effect and the technical means adopted, presents preferred feasible embodiment, and cooperates as shown in the accompanying drawings, detailed description is as follows:

As shown in Fig. 1, Fig. 2 and Fig. 3, they are respectively a front view, a top view and a side view of a hanging step-by-step shot blasting machine of the present invention. Wherein, the hanging step-by-step shot blasting machine mainly includes: a hanging conveying system 1, a shot blasting room 3, a lower slope (not shown in the figure), a lower horizontal screw conveyor 5, an upper slope (not shown in the figure) ), bucket elevator 7, shot sand separator 8, settler 9 and dust collector 10.

The suspension conveying system 1 is used for conveying processed workpieces, which includes a hook 11 and a ring-shaped hanging rail 12 . Wherein, the suspension hook 11 is driven by a suspension conveyor (not shown in the figure), so as to control the suspension hook 11 to travel on the suspension rail 12 . The hook 11 adopts a special wear-resistant cast iron sheath, thereby reducing the wear of the hook 11 by shot blasting. The suspension conveying system 1 can be adjusted by frequency conversion, and can run forward and reverse, and the transmission is stable. According to the cleaning effect of the workpiece during use, the speed of the conveying system can be adjusted from slow to high speed to achieve high-quality cleaning effect and good economic performance. In addition, there is a limit switch in the suspension conveying system. When the workpiece enters the cleaning room and reaches the limit switch, the shot blasting machine starts to work sequentially. The working time is 3-5 minutes. The debris and other attachments are cleaned up, and the treated surface can reach Sa2-2.5 level. The shot blasting machine works in a continuous cycle.

Shown in Fig. 4 and Fig. 5 again, multiple blasting devices 31 are installed on the outer wall of described shot blasting chamber 3, be 4 blasting devices 31 in the present embodiment, described 4 blasting devices The device 31 is divided into left and right, respectively 2 units are reasonably arranged, and the outer wall of the shot blasting cleaning chamber 3 is provided with several holes for the shot blasting to pass through, so that the shot blasting can clean the surface of the workpiece from all angles. The shot blaster 31 includes: impeller 311, combination disc 312, motor 313, shot wheel 314, orientation sleeve 315, blade 316, shot guide tube 317, wear-resistant guard plates (3181, 3182, 3183), shield 319 and other components. The orientation sleeve 315 is fixed in the shield 319 and has a window, and the direction of the window can be adjusted by adjusting the orientation sleeve 315 . The shot wheel 314 is fixedly installed inside the orientation sleeve 315 . The shot wheel 314 has an inlet and four windows. Described guide pill pipe 317 is positioned at the side of shield 319, and one end of guide pill pipe 317 is communicated with this inlet of splitting wheel 314, and the other end connects for pill system (not shown in the figure), wherein, for pill system There is a shot gate in the middle, which is used to adjust the flow of shot blasting and is easy to maintain. An impeller 311 is installed on the other side of the shroud 319 , and a plurality of blades 316 are installed on the impeller 311 , and the blades 316 are distributed outside the circumference of the orientation sleeve 315 . The impeller 311 is connected with the output shaft of the motor 313 through the coupling disk 312 , and the impeller 311 is driven to rotate by the motor 313 . In addition, a sealing disc 3121 is installed between the coupling disc 312 and the motor 313 . Also installed in the shield 319 is a wear-resistant guard plate for preventing excessive damage to the guard 319 by shot blasting. The side guards 3182 and the end guards 3183 located at the inner side of the shield 319 . When working, the projectile rolls into the shot separating wheel 314 from the shot guide tube 317, and after pre-acceleration, it is thrown out through the window in the preset direction of the directional sleeve 315, and the blade 316 continues to accelerate it, and then adjusts the projectile to reach a strong impact on the workpiece, so as to To achieve the purpose of cleaning. The blasting device 31 has the advantages of simple structure, convenient maintenance, and small space occupation. The blade 316 does not need to be fixed by any clamps such as screws, pins, spring clips, etc., but the blade 316 is inserted into the impeller groove from the center of the impeller 311 (Fig. (not shown), when the impeller 311 is rotating, rely on the centrifugal force generated by the blade 316 and the boss structure on the blade 316 to fix.

The shot blasting chamber 3 is assembled and welded by steel plate and section steel. It is a sealed and spacious operating space for workpiece cleaning. The two pneumatic gates 32 on the cleaning room are opened outwards to increase the indoor cleaning space. Above the door, install the above-described limit switch, only after the gate is closed, can the blasting device 31 be started after the suspension hook 11 starts to rotate. The shot blasting cleaning chamber 3 is equipped with wear-resistant cast iron steel plates to protect the wall plate of the chamber body from wear and prolong the service life of the chamber body by more than ten times; at the same time, the reflection function of the projectile can be used to continue to effectively hit the surface of the workpiece and improve the cleaning efficiency. Quality and cleaning efficiency, a mesh is installed on the cleaning cone-shaped pill collection bucket to block sundries, protect the screw conveyor, and facilitate maintenance by maintenance personnel. The protective plate in the shot blasting chamber is covered and bolted with wear-resistant overcast nuts to protect the screws from damage, and it is easy to disassemble and replace. In addition, in order to prevent projectiles from flying out, a protective device is provided in the shot blasting chamber 3 .

The lower horizontal screw conveyor 5 is composed of a mandrel, a helical blade, an end shaft, an end plate, a bearing with seat, a dustproof device, a cycloidal pinwheel reducer and various fasteners. Since the structure of the screw conveyor here is common knowledge, it will not be described in detail. The shot blasting outlet of the shot blasting chamber 3 is connected with the lower slope 4 and the lower transverse screw conveyor 5 in sequence. Wherein, the blast material passing through the shot blasting device 31 enters the bucket elevator 7 through the transportation of the lower slope 4 and the lower horizontal screw conveyor 5 in sequence.

As shown in Figures 6 and 7, the bucket elevator 7 includes: a housing 71, a belt 72, a shot hopper 73, a driving roller 74, a driven roller 75, a belt tensioning device 76, and a cycloidal pinwheel. Speed reducer 77, material inlet 78 and material outlet 79.

The shell 71 of the bucket elevator 7 is welded and formed by segmented steel structure, and sealing rubber plates are installed at each joint position to prevent the leakage of dust and pellets. The cycloid reducer 77 is installed on the top of the housing 71, and is connected with the driving roller 74 for driving the driving roller 74 to rotate. The driving roller 74 and the driven roller 75 are respectively located above and below the inside of the housing 71 and are connected by a belt 72 . A plurality of shot hoppers 73 facing the same direction are installed on the belt 72. The shot hoppers 73 can be deep buckets, shallow buckets or pointed buckets with a cylindrical bottom, and the distance between the shot hoppers 73 is preset. distance. Described belt tensioning device 76 is installed on the driven gear 75, to guarantee the moderate tension of hoist belt. The material inlet 78 is located at the bottom of the housing 71 and is connected to the lower horizontal screw conveyor 5 , and the material outlet 79 is located at the top of the housing 71 .

The blanking form of the bucket elevator 7 adopts the centrifugal gravity type pill falling. Lift the shot dust mixture in the shot blasting chamber 3 to the top of the bucket elevator 7, and then send it out through the discharge port 79.

Fig. 8, Fig. 9 and Fig. 10 are respectively the front view, top view and side view of a shot-sand separator of the present invention. Wherein, the shot-sand separator 8 adopts a BE-type curtain structure, which mainly includes: a separation zone 82 , a hopper 83 , an air inlet 84 and a shot outlet 85 .

Wherein, the feeding port 87 on the shot-sand separator 8 is connected with the discharge port 79 of the bucket elevator 7 through the up-slope, and the shot-sand mixture enters the separation zone 82 after being conveyed by the up-slope 6 .

One end of the air receiving port 84 communicates with the separation area 82, and the direction of the air receiving port 84 is perpendicular to the feeding direction. The number of the air inlet 84 is at least one (two in this embodiment). The other end of the air inlet is connected with the dust collector 10 through the settler 9 .

A hopper 83 is connected below the separation area 82, and there are four shot openings 85 at the bottom of the hopper 83 for releasing pure and qualified projectiles.

During the working process, the shot and sand mixture is evenly sent to the separation area 82 through the feeding slope 6, and the dust collector provides wind force to the separation area 82 through the air inlet 84, thereby forming a uniform shot and sand flow curtain and passing through the 4-5m/s Separation of shot and sand by horizontal airflow, shot and waste fall into their respective passages according to their specific gravity, pure shot falls into hopper 83, releases pure shot through opening flow port 85 for re-use of shot blaster, fine dust passes through The air inlet 84 is sucked into the dust collector, the purified gas is discharged into the air, and the dust particles are captured and collected.

The connection between the air outlet 84 and the dust collector can also be provided with an air volume regulating gate (not shown in the figure), and a better shot-sand separation effect can be obtained by adjusting the air volume regulator to a suitable position.

The shot sand separator of the utility model utilizes the principle of gravity winnowing to effectively separate projectiles in the flow curtain from metal oxide skin fragments, broken projectiles and dust, waste materials flow out from the air outlet, and projectiles enter the hopper for circulation.

To sum up, the shot-sand separator of the utility model has a good separation effect. After separation, the sand content in the pure qualified projectiles is less than 1%, and the qualified projectiles in the waste materials are less than 1%. The separation efficiency of the separator can reach 99%. .

The dust collector 10 described above is an LT-20 filter cartridge dust collector, which includes a pulse control valve 101, an inspection door 102, an air outlet 103, a filter cartridge 104, an ash storage box 105, a muffler 106, and a fan 107. , Dust removal chamber body 108. The pulse control valve 101 and the inspection door 102 are located on one side of the dust removal chamber body 108 . The blower fan 107 is connected with the dust removal chamber body 108 through the air pipe, and the muffler 106 is connected on the blower fan 107 . The filter cartridge 104 is located inside the dust removal chamber body 108 . The air inlet 103 is located on the other side of the dust removal chamber body 108, one end of the air inlet 103 communicates with the dust removal chamber body 108, and the other end communicates with the air inlet 84 of the shot sand separator 8 and the shot blasting cleaning chamber 3. The ash storage box 105 is located at the bottom of the dust removal chamber body 108 . The LT-20 filter cartridge dust collector manufactured with advanced technology has small size, high dust removal efficiency, 99% dust filtration efficiency, and easy installation and maintenance. Installed outside the factory building, there is no need to build another dust removal room. The dust content in the air purified by the dust removal system is much lower than the dust emission standards of the same industry. Both the dust suction pipe and the dust discharge pipe are made of steel plate and angle steel, and the inside of the pipe is coated with antirust paint.

Scattered projectiles thrown by the shot blasting device 31 are transported to the bucket elevator 7 through the lower slope 4 and the lower horizontal screw conveyor 5 in turn, and the bucket elevator 7 lifts the shot and sundries to the upper part, and is transported to the shot sand by the upper slope. Separator 8, after being processed by pill sand separator 8, dust and sundries are separated from good shot material, and good shot material enters hopper 83 for storage, to be used by shot blasting device 31.

The shot blasting machine also includes a pneumatic automatic shot controller (not shown in the figure), powered by the compressed air of the air compressor, and the pneumatic automatic shot controller is respectively installed on the 4 flow shot ports and Through the cylinder and the electric control valve, the control of the shot material flow into the shot blaster is realized when the processed material enters and leaves the shot blasting area, with compact structure and flexible action. The delivery of the shot between the shot controller and the shot blaster adopts a wear-resistant steel wire rubber hose.

During the working process, the hanging stepping shot blasting machine hangs the workpiece on the hanging rail, and the hanging conveyor transports the workpiece forward. When the workpiece enters the shot blasting room, the movement stops and the shot blasting room is closed. The door and the blasting machine start to work in sequence. After shot blasting treatment, the scale, dirt and other attachments on the surface of the workpiece are cleaned up, and the treated surface can reach Sa2-2.5 level. The working mode of the shot blasting machine is a continuous cycle. After the shot blasting time reaches the requirement, the shot blasting machine will stop working automatically.

The above description of the utility model is illustrative rather than restrictive. Those skilled in the art understand that many modifications, changes or equivalents can be made to it within the spirit and scope of the claims, but they will all fall into the Into the scope of protection of the present utility model.

Claims (9)

1. one kind is hung the step-by-step movement shot-blast cleaning machine, it is characterized in that, comprising:

Super shot blasting cleaning chamber is equipped with many impeller heads on its outer wall;

Hang induction system, it comprises suspension hook and hanger rail, and described suspension hook is driven so that suspension hook is advanced on hanger rail by overhead chain conveyer;

Downslope, the one end is connected with the ball material outlet of super shot blasting cleaning chamber;

Following horizontal conveying worm, the one end is connected with the other end of downslope;

Bucket elevator, it has feeding mouth and discharging opening, and this feeding mouth is connected with the other end of following horizontal conveying worm;

Upslope, the one end is connected with the discharging opening of bucket elevator;

Shot-sand separator, it has the Disengagement zone and the mouth of giving a dinner for a visitor from afar, and this Disengagement zone is connected with the other end of upslope; And

Deduster, its with shot-sand separator give a dinner for a visitor from afar mouthful and super shot blasting cleaning chamber is connected.

2. suspension step-by-step movement shot-blast cleaning machine according to claim 1 is characterized in that, 4 impeller heads are installed on the outer wall of described super shot blasting cleaning chamber, and each 2 tablecloth was put about described 4 impeller heads divided.

3. suspension step-by-step movement shot-blast cleaning machine according to claim 1 is characterized in that described super shot blasting cleaning chamber is to be welded by steel plate, shaped steel, the pneumatic gate of the fan of two on cleaning chamber external-open, door top dress limit switch.

4. suspension step-by-step movement shot-blast cleaning machine according to claim 1 is characterized in that described impeller head comprises: impeller, motor, shot wheel, orienting cover, blade, lead ball pipe and guard shield; Described orienting cover is fixed in the guard shield and has a window; The internal fixation of orienting cover is equipped with shot wheel, has an inlet and four windows on the described shot wheel; Describedly lead the side that the ball pipe is positioned at guard shield, and an end of leading the ball pipe is connected with this inlet of shot wheel, the other end of leading the ball pipe connects for the ball system; The opposite side of described guard shield is equipped with impeller, and a plurality of blades are installed on the described impeller, and blade is distributed in the periphery of orienting cover; Impeller is connected with the output shaft of motor, and by this impeller rotation of Motor Drive.

5. suspension step-by-step movement shot-blast cleaning machine according to claim 4 is characterized in that described impeller is connected by conjoint disk with the output shaft of motor, and seal disc also is installed between conjoint disk and the motor; The wear plate that is used to prevent ball blast excessive damage guard shield also is installed in the described guard shield, and wear plate comprises the top backplate that is positioned at the guard shield inside top, be positioned at the side guard plate of the inboard side of guard shield and be positioned at the end face protective plate of guard shield inner side end.

6. suspension step-by-step movement shot-blast cleaning machine according to claim 1 is characterized in that described bucket elevator also comprises: housing, belt, ball hopper, active roller, return idler, belt stretcher and cycloidal planetary gear speed reducer; Described housing adopts segmented steel construction welding forming, and each coupled position is equipped with the sealing offset plate; Described cycloidal planetary gear speed reducer is installed in the top of housing, and it is connected with active roller, is used to drive active roller and rotates; Described active roller and return idler lay respectively at the above and below of enclosure interior, and connect by belt; A plurality of ball hoppers in the same direction are installed on the belt, and the default at interval each other distance of described ball hopper; Described belt stretcher is installed on the return idler; The feeding mouth of described bucket elevator is positioned at the bottom of housing, and the discharging opening of bucket elevator is positioned at the top of housing.

7. suspension step-by-step movement shot-blast cleaning machine according to claim 1 is characterized in that described shot-sand separator comprises: Disengagement zone, hopper, give a dinner for a visitor from afar mouth and stream ball mouth; The part of described upslope is stretched out the Disengagement zone, on the shell of this extension of upslope charging aperture is installed, and this charging aperture is connected with the discharging opening of bucket elevator, and another part of described upslope is positioned at the Disengagement zone; A described end of giving a dinner for a visitor from afar mouth is connected with the Disengagement zone, and the transmission direction of the air port direction of the mouth of giving a dinner for a visitor from afar and upslope is perpendicular; The other end of giving a dinner for a visitor from afar mouthful is connected with deduster; The below of described Disengagement zone is connected with hopper, and 4 stream ball mouths are arranged at the hopper bottom.

8. suspension step-by-step movement shot-blast cleaning machine according to claim 1 is characterized in that described deduster comprises: pulse control valve, access door, the mouth of giving a dinner for a visitor from afar, filter cylinder, ash storage box, muffler, blower fan, dirt pocket body; Described pulse control valve and access door are positioned at a side of dirt pocket body; Blower fan is connected with the dirt pocket body by airduct, and is connected with muffler on the blower fan; Filter cylinder is positioned at the inside of dirt pocket body; The mouth of giving a dinner for a visitor from afar is positioned at the opposite side of dirt pocket body, and a described end of giving a dinner for a visitor from afar mouthful is connected with the dirt pocket body, and give a dinner for a visitor from afar mouth and the super shot blasting cleaning chamber of the other end and shot-sand separator are connected; Ash storage box is positioned at the bottom of dirt pocket body.

9. suspension step-by-step movement shot-blast cleaning machine according to claim 7 is characterized in that, also comprises pneumatic automatic ball material controller, and it is installed on the described stream ball mouth.

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